| 摘要 |
A device comprises a gas cushion inflatable with gas by a filling device, a transceiver for electromagnetic waves, an evaluation device connected to the transceiver, and an interrogation unit, disposed on the gas cushion, that can be remotely interrogated by the transceiver to provide a degree of deployment and/or deployment velocity of the gas cushion to the evaluation device. The interrogation unit can be implemented by a transponder or a polarizing reflector.
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